<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .container{
            width:700px;
            height:700px;
            background-color: #555;
        }
        div{
            width: 300px;
            height:300px;
            float:left;
        }
        .box1{
            background-color: red;
        }
        .box2{
            background-color: green;
        }
        .box3{
            background-color: yellow;
        }
        li{
            float:left;
            margin: 40px;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="box1"></div>
        <div class="box2"></div>
        <div class="box3"></div>
    </div>
    <ul type="none">
        <li><a href="" >num1</a></li>
        <li><a href="" >num2</a></li>
        <li><a href="" >num3</a></li>
        <li><a href="" >num4</a></li>
    </ul>
</body>
</html>